Mountain sleep study: menstrual cycle may change how women breathe at high altitude
NCT ID NCT06498544
First seen Jun 13, 2026 · Last updated Jun 22, 2026 · Updated 3 times
Summary
This study looked at how high altitude (3600 m) affects sleep-disordered breathing in healthy women, depending on their menstrual cycle phase. 91 women spent two nights at altitude while their oxygen levels and breathing patterns were measured. The goal was to see if the menstrual cycle influences how the body responds to low oxygen during sleep.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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National Center for Cardiology and Internal Medicine
Bishkek, Bishkek, 720040, Kyrgyzstan
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
What this could lead to
If successful, this could help understand how altitude affects sleep in women depending on their menstrual cycle, potentially guiding future travel or health advice.
What could go wrong
This is a small, completed observational study with only 91 healthy women. Results may not apply to women with health conditions or those on contraceptives.
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.